EP1196265B1 - Clamp for maintaining a flexible tubing and method for sealing same with a weld seam - Google Patents
Clamp for maintaining a flexible tubing and method for sealing same with a weld seam Download PDFInfo
- Publication number
- EP1196265B1 EP1196265B1 EP00951660A EP00951660A EP1196265B1 EP 1196265 B1 EP1196265 B1 EP 1196265B1 EP 00951660 A EP00951660 A EP 00951660A EP 00951660 A EP00951660 A EP 00951660A EP 1196265 B1 EP1196265 B1 EP 1196265B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- branches
- sleeve
- clamp
- maintaining
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/18—Surface bonding means and/or assembly means with handle or handgrip
Definitions
- a clamp suitable for holding a sleeve is known, for example, OF CH-A-525801.
- This clip includes two branches and a means for closing the branches, one of the branches comprising an edge with notches.
- field of the invention is more precisely that of sealed enclosures under controlled atmosphere in depression such as glove boxes, where it takes sometimes extract packages that are sent out by openings around which sleeves have been placed soft vinyl. Then we approach a clamp a place in the sleeve between the objects and the fitting at the opening of the enclosure, so make three welds there before section one. Objects can then be taken away without polluting the exterior, and likewise the portion of the handle that remains attached to the speaker does not include any opening which would compromise the sealing of that one.
- This clip includes two branches articulated and provided with facing edges which can be separated by a distance corresponding substantially to the thickness of the sleeve when they are rendered parallel in a closed position of the branches, as well as a means for closing the branches; Moreover, steps are dug in one of the facing edges.
- an opening 1 of an enclosure 2 schematically shown is stretched the end 3 a flexible vinyl sleeve 4 so as to form a waterproof connection 3.
- Enclosure 2 is under vacuum, as is usual in these techniques where it generally contains pollutants or dangerous, in order to avoid accidental leakage of the atmosphere of enclosure 2 to the outside.
- the sleeve 4 is intended to contain certain packages or objects 5 that we want to get out of enclosure 2.
- a heating tong 6 is approached, provided with two clamping jaws 7, from regions 8 to weld the sleeve 4. These regions 8 are clamped between jaws 7, then a current is passed. electric in a resistor adjacent to one of jaws 7 to heat it, melt the vinyl,.
- this clamp 9 clamping or holding comprises, as best seen in Figure 2, a pair of branches 10 and 11 articulated together by a pivot 12 and which include facing clamping edges, 13 and 14 respectively, which remain discarded even when clamp 9 is closed as far as possible: their distance is substantially equal to the thickness of the sleeve 4, so to tighten it evenly with firmness but without exerting excessive effort which could lead to fold formation.
- branches 10 and 11 A stop between the branches 10 and 11 is offered by contact between the portions of end 15 and 16. Branches 10 and 11 are terminated by handles 17 and 18, beyond the pivot 12, which allow the clamp 9 to be opened when they are grasped. A spring 19 is compressed between the handles 17 and 18 and spreads them out to hold branches 10 and 11 close to the side of facing surfaces 13 and 14 when the clamp 9 is released.
- One of the branches 10 is however provided with step 20 whose function is to allow a slight yawning of the lips of the flattened sleeve 4 so that aspiration to enclosure 2 can continue when the clamp 9 has been installed.
- the steps 20 are arranged so as to interrupt the edge 13 of the branch 10 on which they are established, so that firm contact really only exists at the location jaws 21 which alternate with the steps 20 on the branch 10.
- clamp 9 prevents a formation of folds at the location of the regions to be welded 8, so the heating tongs 6 can be used by bringing it closer to the holding clamp to avoid a tension between them.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Closing Of Containers (AREA)
- Auxiliary Apparatuses For Manual Packaging Operations (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Description
On s'intéresse ici à l'obturation par soudure de manches souples afin d'y enfermer et d'y isoler certains objets, ainsi qu'à une pince de maintien de la manche qui facilite ce procédé. Une pince adaptée à maintenir une manche est connue, par exemple, DE CH-A-525801. Cette pince comprend deux branches et un moyen de fermeture des branches, l'une des branches comportant un bord avec des entailles. domaine de l'invention est plus précisément celui des enceintes étanches sous atmosphère contrôlée en dépression telles que les boítes à gants, d'où il faut parfois extraire des colis qu'on fait sortir par des ouvertures autour desquelles on a disposé des manches souples en vinyle. Ensuite, on approche une pince thermique d'un endroit de la manche entre les objets et le raccord à l'ouverture de l'enceinte, afin d'effectuer trois soudures à cet endroit avant d'en sectionner une. Les objets peuvent alors être emportés sans polluer l'extérieur, et de même la portion de la manche qui reste fixée à l'enceinte ne comprend aucune ouverture qui compromettrait l'étanchéité de celle-là.We are interested here in obturation by welding of flexible sleeves in order to enclose and isolate certain objects, as well as support of the sleeve which facilitates this process. A clamp suitable for holding a sleeve is known, for example, OF CH-A-525801. This clip includes two branches and a means for closing the branches, one of the branches comprising an edge with notches. field of the invention is more precisely that of sealed enclosures under controlled atmosphere in depression such as glove boxes, where it takes sometimes extract packages that are sent out by openings around which sleeves have been placed soft vinyl. Then we approach a clamp a place in the sleeve between the objects and the fitting at the opening of the enclosure, so make three welds there before section one. Objects can then be taken away without polluting the exterior, and likewise the portion of the handle that remains attached to the speaker does not include any opening which would compromise the sealing of that one.
Malgré sa simplicité, ce procédé est fastidieux à accomplir. L'enceinte en dépression tend à faire généralement apparaítre des plis au niveau des manches, à aspirer celles-ci et à les déformer sans cesse.Despite its simplicity, this process is tedious to accomplish. The vacuum enclosure tends to generally show folds at the sleeves, suck them up and deform them without stops.
Si on entreprend de souder la manche alors qu'un pli a été formé, le travail risque d'être fait incorrectement et la soudure' d'être incomplète sur sa longueur. Si une tension est exercée sur la manche pendant le soudage, un risque de rupture de confinement à l'endroit de celle-ci est possible, ce qui n'est guère acceptable. On doit donc travailler avec soin, et un deuxième opérateur est employé en pratique uniquement afin de soutenir le colis et de maintenir la manche pendant que son collègue s'occupe de souder.If we start welding the sleeve then that a fold has been formed, the job may be done incorrectly and the solder 'to be incomplete on its length. If tension is exerted on the sleeve during welding, a risk of rupture of confinement where it is possible, which is not hardly acceptable. So we have to work carefully, and a second operator is employed in practice only to support the package and maintain the sleeve while his colleague takes care of welding.
Un perfectionnement de ce procédé est proposé ici, et le moyen original employé pour le réaliser consiste en une pince supplémentaire, dont la fonction n'est pas de souder mais d'empêcher la formation de plis en maintenant la manche bien à plat sur la largeur, permettre une aspiration continue entre le colis et l'enceinte pendant la préparation et d'éviter la tension de la manche pendant 1a soudure par le plaquage de la pince de maintien contre le raccord à l'ouverture du fait de la dépression de l'enceinte.An improvement of this process is proposed here, and the original means used for the carry out consists of an additional clamp, the function is not to weld but to prevent creases by keeping the sleeve flat across the width, allow continuous suction between the package and the enclosure during preparation and avoid sleeve tension during welding by pressing the retaining clip against the connection to the opening due to the depression of the enclosure.
Cette pince comprend deux branches articulées et munies de bords en regard pouvant être écartés d'une distance correspondant sensiblement à l'épaisseur de la manche quand ils sont rendus parallèles dans une position de fermeture des branches, ainsi qu'un moyen de fermeture des branches ; de plus, des redans sont creusés dans l'un des bords en regard.This clip includes two branches articulated and provided with facing edges which can be separated by a distance corresponding substantially to the thickness of the sleeve when they are rendered parallel in a closed position of the branches, as well as a means for closing the branches; Moreover, steps are dug in one of the facing edges.
Elle est mise en service avant l'opération de soudure de la manche, en la disposant sur une portion de la manche située à hauteur de l'ouverture de l'enceinte.It is put into service before the operation welding of the sleeve, by placing it on a portion of the sleeve located at the opening of the the enclosure.
On va maintenant décrire l'invention plus en détail afin d'en faire ressortir mieux ses éléments et avantages et son fonctionnement. On recourra aux figures suivantes :
- la figure 1, vue d'ensemble des éléments du procédé, et
- la figure 2, qui illustre la pince nouvelle.
- FIG. 1, overview of the elements of the process, and
- Figure 2, which illustrates the new clamp.
Sur une ouverture 1 d'une enceinte 2
schématiquement représentée est tendue l'extrémité 3
d'une manche souple 4 en vinyle de manière à former un
raccord 3 étanche. L'enceinte 2 est en dépression,
comme il est habituel dans ces techniques où elle
contient en général des matières polluantes ou
dangereuses, afin d'éviter toute fuite accidentelle de
l'atmosphère de l'enceinte 2 vers l'extérieur. La
manche 4 est destinée à contenir certains colis ou
objets 5 qu'on veut sortir de l'enceinte 2. Quand ils y
ont été introduits, on approche une pince chauffante 6,
munie de deux mâchoires de serrage 7, de régions 8 à
souder de la manche 4. Ces régions 8 sont serrées entre
les mâchoires 7, puis on fait passer un courant.
électrique dans une résistance adjacente à l'une des
mâchoires 7 pour la chauffer, fondre le vinyle, . et
obturer la manche 4 en soudant les régions 8, après
quoi la manche 4 peut être sectionnée au milieu des
régions 8 pour détacher les objets 5 sans les exposer à
vair libre ni compromettre l'étanchéité de l'enceinte
2. Cependant, on a auparavant disposé une autre pince 9
sur la manche 4 entre les régions 8 et le raccord 3 ;
cette pince 9 de serrage ou de maintien comprend, comme
on le voit mieux à la figure 2, une paire de branches
10 et 11 articulées entre elles par un pivot 12 et qui
comprennent des bords de serrage en regard,
respectivement 13 et 14, qui restent écartés même quand
la pince 9 est fermée au maximum : leur distance est
sensiblement égale à l'épaisseur de la manche 4, afin
de la serrer uniformément avec fermeté mais sans
exercer d'effort excessif qui pourrait conduire à la
formation de plis. Une butée entre les branches 10 et
11 est offerte par un contact entre les portions de
bout 15 et 16. Les branches 10 et 11 sont terminées par
des poignées 17 et 18, au-delà du pivot 12, qui
permettent d'ouvrir la pince 9 quand on les empoigne.
Un ressort 19 est comprimé entre les poignées 17 et 18
et les écarte pour maintenir les branches 10 et 11
rapprochées du côté des surfaces en regard 13 et 14
quand la pince 9 est relâchée.On an opening 1 of an enclosure 2
schematically shown is stretched the end 3
a flexible vinyl sleeve 4 so as to form a
waterproof connection 3. Enclosure 2 is under vacuum,
as is usual in these techniques where it
generally contains pollutants or
dangerous, in order to avoid accidental leakage of
the atmosphere of enclosure 2 to the outside. The
sleeve 4 is intended to contain certain packages or
objects 5 that we want to get out of enclosure 2. When they
have been introduced, a
Une des branches 10 est cependant munie de
redans 20 dont la fonction est de permettre un léger
bâillement des lèvres de la manche 4 aplatie afin que
l'aspiration vers l'enceinte 2 puisse se poursuivre
quand la pince 9 a été installée. Les redans 20 sont
disposés de façon à interrompre le bord 13 de la
branche 10 sur laquelle ils sont établis, si bien que
le contact ferme n'existe vraiment qu'à l'emplacement
de mors 21 qui alternent avec les redans 20 sur la
branche 10.One of the
Le serrage par la pince 9 empêche une
formation de plis à l'endroit des régions à souder 8,
de sorte que la pince chauffante 6 peut être employée
en la rapprochant de la pince de maintien pour éviter
une tension entre elles. De plus, la pince 9, plus
longue que le diamètre de l'ouverture 1, reste en
travers de celle-ci et est maintenue sur elle par la
dépression dans l'enceinte 2, ce qui immobilise assez
bien la manche 4.The clamping by the clamp 9 prevents a
formation of folds at the location of the regions to be welded 8,
so the
Claims (3)
- Holding tongs (9) for a flexible sleeve (4), comprising two articulated branches (10, 11), the branches comprising facing edges (13, 14) separated by a distance corresponding almost to the same thickness as the sleeve when they are held parallel in a closed position of the branches, a means (19) of closing the branches, and indentations (20) on one of the facing edges.
- Holding tongs according to claim 1, characterized in that the means of closing the branches is a spring compressed between two handles (17, 18) respectively extending the branches (10, 11) and set beyond the branches in relation to an articulation point (12).
- Sealing process of a flexible sleeve fixed on an opening (1) of a low pressure chamber (2) by applying heated tongs (6), characterized in. that it comprises a preparatory installation stage for a pair of tongs according to one or the other of claims 1 or 2 on a portion of the sleeve at the level of the link with the opening (1) of the chamber (2) and a sealing region (8) of the sleeve.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9909167A FR2796325B1 (en) | 1999-07-15 | 1999-07-15 | HOLDING PLIERS FOR A FLEXIBLE HANDLE AND METHOD FOR SEALING THE SAME |
| FR9909167 | 1999-07-15 | ||
| PCT/FR2000/002015 WO2001005557A1 (en) | 1999-07-15 | 2000-07-12 | Clamp for maintaining a flexible tubing and method for sealing same with a weld seam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1196265A1 EP1196265A1 (en) | 2002-04-17 |
| EP1196265B1 true EP1196265B1 (en) | 2003-10-01 |
Family
ID=9548124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00951660A Expired - Lifetime EP1196265B1 (en) | 1999-07-15 | 2000-07-12 | Clamp for maintaining a flexible tubing and method for sealing same with a weld seam |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6835273B1 (en) |
| EP (1) | EP1196265B1 (en) |
| JP (1) | JP4729662B2 (en) |
| DE (1) | DE60005673T2 (en) |
| FR (1) | FR2796325B1 (en) |
| WO (1) | WO2001005557A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004023976A2 (en) * | 2002-09-13 | 2004-03-25 | Damage Control Surgical Technologies, Inc. | Method and apparatus for vascular and visceral clipping |
| EP1957141A1 (en) * | 2005-11-17 | 2008-08-20 | MicroMuscle AB | Medical devices and methods for their fabrication and use |
| US20090007521A1 (en) * | 2007-07-06 | 2009-01-08 | Opdycke Nicola D | Portable sealing system |
| US12025263B2 (en) * | 2020-06-23 | 2024-07-02 | Michael L Del Favero | Cubicle wall extender apparatus |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US632444A (en) * | 1899-06-28 | 1899-09-05 | Hippolyte Paul Louis Francois Chaussinand | Crust-crushing instrument. |
| US2644142A (en) * | 1950-03-16 | 1953-06-30 | C A Danberg Inc | Electric terminal clamp |
| US2815777A (en) * | 1954-11-23 | 1957-12-10 | Iraids Arvids | Spring actuated miter clamp |
| US3321353A (en) * | 1963-03-08 | 1967-05-23 | Weldotron Corp | Film sealing and cutting apparatus |
| US3322603A (en) * | 1964-04-20 | 1967-05-30 | Joseph R Grasso | Heat sealing hand tool |
| US3398746A (en) * | 1965-10-21 | 1968-08-27 | Daniel J. Abramson | Surgical needle holder |
| JPS4718940Y1 (en) * | 1969-06-09 | 1972-06-29 | ||
| US3730478A (en) * | 1971-01-18 | 1973-05-01 | Continental Ind Inc | Tool for squeezing off flexible pipe |
| CH525801A (en) * | 1971-01-21 | 1972-07-31 | Grace W R & Co | Vacuum packaging - in sealed thin film envelope with mouth supported by clamp allowing air escape |
| JPS55138572U (en) * | 1979-03-26 | 1980-10-02 | ||
| US4335712A (en) * | 1979-03-26 | 1982-06-22 | Trexler Philip C | Isolation enclosure members |
| FR2471838A1 (en) * | 1979-12-21 | 1981-06-26 | Gruber Alexandre | PLIERS FOR HANDLING PHONOGRAPHIC DISCS AND OTHER FLAT AND THIN OBJECTS WHICH ARE LIKELY TO SCRATCHING, POLLUTION OR CONTAMINATION |
| DE8911948U1 (en) * | 1989-10-06 | 1989-12-14 | Zeppelin, Dieter von, Dipl.-Ing., 8023 Pullach | Clamp for clamping blood vessels or aneurysms |
| US5142776A (en) * | 1991-03-18 | 1992-09-01 | Kabelmetal Electro Gmbh | Method and apparatus for heat sealing of joints and connections |
| JP3709104B2 (en) * | 1999-07-12 | 2005-10-19 | 中国電力株式会社 | Sheet scissors for indirect methods |
| SE525801C2 (en) | 2003-08-04 | 2005-04-26 | Berit Euren-Karlsson | warming device |
-
1999
- 1999-07-15 FR FR9909167A patent/FR2796325B1/en not_active Expired - Fee Related
-
2000
- 2000-07-12 EP EP00951660A patent/EP1196265B1/en not_active Expired - Lifetime
- 2000-07-12 US US10/031,078 patent/US6835273B1/en not_active Expired - Fee Related
- 2000-07-12 JP JP2001510627A patent/JP4729662B2/en not_active Expired - Fee Related
- 2000-07-12 WO PCT/FR2000/002015 patent/WO2001005557A1/en active IP Right Grant
- 2000-07-12 DE DE60005673T patent/DE60005673T2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2796325B1 (en) | 2001-09-21 |
| DE60005673D1 (en) | 2003-11-06 |
| US6835273B1 (en) | 2004-12-28 |
| EP1196265A1 (en) | 2002-04-17 |
| JP4729662B2 (en) | 2011-07-20 |
| WO2001005557A1 (en) | 2001-01-25 |
| FR2796325A1 (en) | 2001-01-19 |
| DE60005673T2 (en) | 2004-08-19 |
| JP2003504286A (en) | 2003-02-04 |
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